function browserData() 
{
    var u = navigator.userAgent;
    return {
        trident: u.indexOf('Trident') > -1, //IE内核
        presto: u.indexOf('Presto') > -1, //opera内核
        webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
        gecko: u.indexOf('Firefox') > -1, //火狐内核Gecko
        mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
        ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios
        android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android
        iPhone: u.indexOf('iPhone') > -1 , //iPhone
        iPad: u.indexOf('iPad') > -1, //iPad
        webApp: u.indexOf('Safari') > -1 //Safari
    }
}
browserData('trident')
console.log(browserData())